thanks a lot for your answers.
your solution to my fullscreen problem mode
worked but in my second question i think i didn’t explained enough.Imagine that i want to make a very very simple head.The cube will be the head an i want the spheres to
be the two eyes.when i see the face from the one side i want to see a sphere and behind the sphere the cube but when i rotate my scheme i want the face to looks like
-------SIDE
|--------|
| /\ | <----eye(sphere)
---->eye(sphere) | / |
| |
| |
|________|<-----face(cube)
---------rotation 90 FACE
|--------|
/| |\ <----eye(sphere) | |
---->eye(sphere) | |/
| |
| |
|________|<-----face(cube)